Woolworth Building, switchboard.

Woolworth Building. Detail of switchboard.

Woolworth Building, vault.

Woolworth Building, rendering.

Woolworth Building. Engine room.

Woolworth Building. Grand staircase.

Woolworth Building. Grand staircase.

Woolworth Building, engine room.

Woolworth Building, boiler room.

Woolworth Building, engine room.

Woolworth Building, general exterior.

233 Broadway. Woolworth Building.

Woolworth Building. Pump room.

Woolworth Building. Boiler room.

Woolworth Building. Swimming tank.

Woolworth Building, boiler room.

Woolworth Building, engine room.

Woolworth Building

Woolworth Building. Rathskellar.

Woolworth Building. Safe deposit vault.